<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script src="../vue.js"></script>
</head>

<body>
    <div id="app">
        <span>姓名：{{name}}，年龄:{{_data.age}}</span>
    </div>
    <script>
        const vm = new Vue({
            el: "#app",
            data: {
                name: "laozhang",
                age: 10
            }
        })
    </script>
</body>

</html>